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<div class="header">
  <div class="headertitle">
<div class="title">qwt_legend.cpp</div>  </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Qwt Widget Library</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright (C) 1997   Josef Wilgen</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * Copyright (C) 2002   Uwe Rathmann</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * This library is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160; </div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#include &quot;qwt_legend.h&quot;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#include &quot;qwt_legend_label.h&quot;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#include &quot;qwt_dyngrid_layout.h&quot;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &quot;qwt_math.h&quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &quot;qwt_painter.h&quot;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#include &quot;qwt_graphic.h&quot;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160; </div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#include &lt;qapplication.h&gt;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#include &lt;qscrollbar.h&gt;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#include &lt;qscrollarea.h&gt;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#include &lt;qpainter.h&gt;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#include &lt;qmargins.h&gt;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160; </div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="keyword">namespace</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;{</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;    <span class="keyword">class </span>LegendMap</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;    {</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;      <span class="keyword">public</span>:</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">bool</span> isEmpty()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_entries.isEmpty(); }</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160; </div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;        <span class="keywordtype">void</span> insert( <span class="keyword">const</span> QVariant&amp;, <span class="keyword">const</span> <a class="code" href="class_q_list.html">QList&lt; QWidget* &gt;</a>&amp; );</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;        <span class="keywordtype">void</span> remove( <span class="keyword">const</span> QVariant&amp; );</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160; </div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;        <span class="keywordtype">void</span> removeWidget( <span class="keyword">const</span> QWidget* );</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160; </div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;        <a class="code" href="class_q_list.html">QList&lt; QWidget* &gt;</a> legendWidgets( <span class="keyword">const</span> QVariant&amp; ) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;        QVariant itemInfo( <span class="keyword">const</span> QWidget* ) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160; </div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;      <span class="keyword">private</span>:</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;        <span class="comment">// we don&#39;t know anything about itemInfo and therefore don&#39;t have</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;        <span class="comment">// any key that can be used for a map or hashtab.</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;        <span class="comment">// But a simple linear list is o.k. here, as we will never have</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;        <span class="comment">// more than a few entries.</span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160; </div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;        <span class="keyword">class </span>Entry</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;        {</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;          <span class="keyword">public</span>:</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;            QVariant itemInfo;</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;            <a class="code" href="class_q_list.html">QList&lt; QWidget* &gt;</a> widgets;</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;        };</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160; </div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;        <a class="code" href="class_q_list.html">QList&lt; Entry &gt;</a> m_entries;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    };</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160; </div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    <span class="keywordtype">void</span> LegendMap::insert( <span class="keyword">const</span> QVariant&amp; itemInfo,</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;        <span class="keyword">const</span> <a class="code" href="class_q_list.html">QList&lt; QWidget* &gt;</a>&amp; widgets )</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    {</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;        <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; m_entries.size(); i++ )</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;        {</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;            Entry&amp; entry = m_entries[i];</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;            <span class="keywordflow">if</span> ( entry.itemInfo == itemInfo )</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;            {</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;                entry.widgets = widgets;</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;                <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;            }</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;        }</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160; </div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;        Entry newEntry;</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;        newEntry.itemInfo = itemInfo;</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;        newEntry.widgets = widgets;</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160; </div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;        m_entries += newEntry;</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    }</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160; </div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    <span class="keywordtype">void</span> LegendMap::remove( <span class="keyword">const</span> QVariant&amp; itemInfo )</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    {</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;        <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; m_entries.size(); i++ )</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        {</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;            Entry&amp; entry = m_entries[i];</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;            <span class="keywordflow">if</span> ( entry.itemInfo == itemInfo )</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;            {</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;                m_entries.removeAt( i );</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;                <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;            }</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;        }</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    }</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160; </div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    <span class="keywordtype">void</span> LegendMap::removeWidget( <span class="keyword">const</span> QWidget* widget )</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    {</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;        QWidget* w = <span class="keyword">const_cast&lt;</span> QWidget* <span class="keyword">&gt;</span>( widget );</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160; </div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;        <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; m_entries.size(); i++ )</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;            m_entries[ i ].widgets.removeAll( w );</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    }</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160; </div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    QVariant LegendMap::itemInfo( <span class="keyword">const</span> QWidget* widget )<span class="keyword"> const</span></div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;        <span class="keywordflow">if</span> ( widget != NULL )</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;        {</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;            QWidget* w = <span class="keyword">const_cast&lt;</span> QWidget* <span class="keyword">&gt;</span>( widget );</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160; </div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;            <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; m_entries.size(); i++ )</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;            {</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;                <span class="keyword">const</span> Entry&amp; entry = m_entries[i];</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;                <span class="keywordflow">if</span> ( entry.widgets.indexOf( w ) &gt;= 0 )</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;                    <span class="keywordflow">return</span> entry.itemInfo;</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;            }</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;        }</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160; </div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;        <span class="keywordflow">return</span> QVariant();</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    }</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160; </div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;    <a class="code" href="class_q_list.html">QList&lt; QWidget* &gt;</a> LegendMap::legendWidgets( <span class="keyword">const</span> QVariant&amp; itemInfo )<span class="keyword"> const</span></div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;        <span class="keywordflow">if</span> ( itemInfo.isValid() )</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;        {</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;            <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; m_entries.size(); i++ )</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;            {</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;                <span class="keyword">const</span> Entry&amp; entry = m_entries[i];</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;                <span class="keywordflow">if</span> ( entry.itemInfo == itemInfo )</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;                    <span class="keywordflow">return</span> entry.widgets;</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;            }</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;        }</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160; </div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;        <span class="keywordflow">return</span> <a class="code" href="class_q_list.html">QList&lt; QWidget* &gt;</a>();</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;    }</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;}</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160; </div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;<span class="keyword">class </span>QwtLegend::PrivateData</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;{</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    PrivateData()</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;        : itemMode( <a class="code" href="class_qwt_legend_data.html">QwtLegendData</a>::ReadOnly )</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;        , view( NULL )</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;    {</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    }</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160; </div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;    <a class="code" href="class_qwt_legend_data.html#aaa33cc8e6aec17440df5d4c38d7545b7">QwtLegendData::Mode</a> itemMode;</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    LegendMap itemMap;</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160; </div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;    <span class="keyword">class </span>LegendView;</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;    LegendView* view;</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;};</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160; </div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;<span class="keyword">class </span>QwtLegend::PrivateData::LegendView QWT_FINAL : <span class="keyword">public</span> QScrollArea</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;{</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;    <span class="keyword">explicit</span> LegendView( QWidget * parent ) :</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;        QScrollArea( parent )</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;    {</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;        <a class="code" href="class_qwt_legend.html#aa52edeceb553ae703516c984f34d7ab7">contentsWidget</a> = <span class="keyword">new</span> QWidget( <span class="keyword">this</span> );</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;        <a class="code" href="class_qwt_legend.html#aa52edeceb553ae703516c984f34d7ab7">contentsWidget</a>-&gt;setObjectName( <span class="stringliteral">&quot;QwtLegendViewContents&quot;</span> );</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160; </div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;        setWidget( <a class="code" href="class_qwt_legend.html#aa52edeceb553ae703516c984f34d7ab7">contentsWidget</a> );</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;        setWidgetResizable( <span class="keyword">false</span> );</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160; </div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;        viewport()-&gt;setObjectName( <span class="stringliteral">&quot;QwtLegendViewport&quot;</span> );</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160; </div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;        <span class="comment">// QScrollArea::setWidget internally sets autoFillBackground to true</span></div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;        <span class="comment">// But we don&#39;t want a background.</span></div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;        <a class="code" href="class_qwt_legend.html#aa52edeceb553ae703516c984f34d7ab7">contentsWidget</a>-&gt;setAutoFillBackground( <span class="keyword">false</span> );</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;        viewport()-&gt;setAutoFillBackground( <span class="keyword">false</span> );</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;    }</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160; </div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">bool</span> event( QEvent* event ) QWT_OVERRIDE</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    {</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;        <span class="keywordflow">if</span> ( event-&gt;type() == QEvent::PolishRequest )</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;        {</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;            setFocusPolicy( Qt::NoFocus );</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;        }</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160; </div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;        <span class="keywordflow">if</span> ( event-&gt;type() == QEvent::Resize )</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;        {</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;            <span class="comment">// adjust the size to en/disable the scrollbars</span></div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;            <span class="comment">// before QScrollArea adjusts the viewport size</span></div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160; </div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;            <span class="keyword">const</span> QRect cr = contentsRect();</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160; </div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;            <span class="keywordtype">int</span> w = cr.width();</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;            <span class="keywordtype">int</span> h = <a class="code" href="class_qwt_legend.html#aa52edeceb553ae703516c984f34d7ab7">contentsWidget</a>-&gt;heightForWidth( cr.width() );</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;            <span class="keywordflow">if</span> ( h &gt; w )</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;            {</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;                w -= <a class="code" href="class_qwt_legend.html#a2e567054b220ba850e4c1b7800a2ad82">verticalScrollBar</a>()-&gt;sizeHint().width();</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;                h = <a class="code" href="class_qwt_legend.html#aa52edeceb553ae703516c984f34d7ab7">contentsWidget</a>-&gt;heightForWidth( w );</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;            }</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160; </div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;            <a class="code" href="class_qwt_legend.html#aa52edeceb553ae703516c984f34d7ab7">contentsWidget</a>-&gt;resize( w, h );</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;        }</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160; </div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;        <span class="keywordflow">return</span> QScrollArea::event( event );</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;    }</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160; </div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">bool</span> viewportEvent( QEvent* event ) QWT_OVERRIDE</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;    {</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;        <span class="keywordtype">bool</span> ok = QScrollArea::viewportEvent( event );</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160; </div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;        <span class="keywordflow">if</span> ( event-&gt;type() == QEvent::Resize )</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;        {</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;            layoutContents();</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;        }</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;        <span class="keywordflow">return</span> ok;</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;    }</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160; </div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;    QSize viewportSize( <span class="keywordtype">int</span> w, <span class="keywordtype">int</span> h )<span class="keyword"> const</span></div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;<span class="keyword">    </span>{</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">int</span> sbHeight = <a class="code" href="class_qwt_legend.html#a35e2babbf9e2f0df29f07bdb9230b82d">horizontalScrollBar</a>()-&gt;sizeHint().height();</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">int</span> sbWidth = <a class="code" href="class_qwt_legend.html#a2e567054b220ba850e4c1b7800a2ad82">verticalScrollBar</a>()-&gt;sizeHint().width();</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160; </div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">int</span> cw = contentsRect().width();</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">int</span> ch = contentsRect().height();</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160; </div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;        <span class="keywordtype">int</span> vw = cw;</div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;        <span class="keywordtype">int</span> vh = ch;</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160; </div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;        <span class="keywordflow">if</span> ( w &gt; vw )</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;            vh -= sbHeight;</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160; </div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;        <span class="keywordflow">if</span> ( h &gt; vh )</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;        {</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;            vw -= sbWidth;</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;            <span class="keywordflow">if</span> ( w &gt; vw &amp;&amp; vh == ch )</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;                vh -= sbHeight;</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;        }</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;        <span class="keywordflow">return</span> QSize( vw, vh );</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;    }</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160; </div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;    <span class="keywordtype">void</span> layoutContents()</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;    {</div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;        <span class="keyword">const</span> <a class="code" href="class_qwt_dyn_grid_layout.html">QwtDynGridLayout</a>* tl = qobject_cast&lt; QwtDynGridLayout* &gt;(</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;            <a class="code" href="class_qwt_legend.html#aa52edeceb553ae703516c984f34d7ab7">contentsWidget</a>-&gt;layout() );</div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;        <span class="keywordflow">if</span> ( tl == NULL )</div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;            <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160; </div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;        <span class="keyword">const</span> QSize visibleSize = viewport()-&gt;contentsRect().size();</div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160; </div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;        <span class="keyword">const</span> QMargins m = tl-&gt;contentsMargins();</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">int</span> minW = tl-&gt;<a class="code" href="class_qwt_dyn_grid_layout.html#a4f59bc630006261cf3d82609e9513add">maxItemWidth</a>() + m.left() + m.right();</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160; </div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;        <span class="keywordtype">int</span> w = qMax( visibleSize.width(), minW );</div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;        <span class="keywordtype">int</span> h = qMax( tl-&gt;<a class="code" href="class_qwt_dyn_grid_layout.html#a04d1e6083c4c10ddd5baebb148f64f59">heightForWidth</a>( w ), visibleSize.height() );</div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160; </div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">int</span> vpWidth = viewportSize( w, h ).width();</div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;        <span class="keywordflow">if</span> ( w &gt; vpWidth )</div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;        {</div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;            w = qMax( vpWidth, minW );</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;            h = qMax( tl-&gt;<a class="code" href="class_qwt_dyn_grid_layout.html#a04d1e6083c4c10ddd5baebb148f64f59">heightForWidth</a>( w ), visibleSize.height() );</div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;        }</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160; </div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;        <a class="code" href="class_qwt_legend.html#aa52edeceb553ae703516c984f34d7ab7">contentsWidget</a>-&gt;resize( w, h );</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;    }</div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160; </div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;    QWidget* <a class="code" href="class_qwt_legend.html#aa52edeceb553ae703516c984f34d7ab7">contentsWidget</a>;</div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;};</div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160; </div>
<div class="line"><a name="l00258"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#adf5a64070a546eaac36fc9afac56b7fb">  258</a></span>&#160;<a class="code" href="class_qwt_legend.html#adf5a64070a546eaac36fc9afac56b7fb">QwtLegend::QwtLegend</a>( QWidget* parent )</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;    : <a class="code" href="class_qwt_abstract_legend.html">QwtAbstractLegend</a>( parent )</div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;{</div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;    setFrameStyle( NoFrame );</div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160; </div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;    m_data = <span class="keyword">new</span> QwtLegend::PrivateData;</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160; </div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;    m_data-&gt;view = <span class="keyword">new</span> QwtLegend::PrivateData::LegendView( <span class="keyword">this</span> );</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;    m_data-&gt;view-&gt;setObjectName( <span class="stringliteral">&quot;QwtLegendView&quot;</span> );</div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;    m_data-&gt;view-&gt;setFrameStyle( NoFrame );</div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160; </div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;    <a class="code" href="class_qwt_dyn_grid_layout.html">QwtDynGridLayout</a>* gridLayout = <span class="keyword">new</span> <a class="code" href="class_qwt_dyn_grid_layout.html">QwtDynGridLayout</a>(</div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;        m_data-&gt;view-&gt;contentsWidget );</div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;    gridLayout-&gt;setAlignment( Qt::AlignHCenter | Qt::AlignTop );</div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160; </div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;    m_data-&gt;view-&gt;contentsWidget-&gt;installEventFilter( <span class="keyword">this</span> );</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160; </div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;    QVBoxLayout* layout = <span class="keyword">new</span> QVBoxLayout( <span class="keyword">this</span> );</div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;    layout-&gt;setContentsMargins( 0, 0, 0, 0 );</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;    layout-&gt;addWidget( m_data-&gt;view );</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;}</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160; </div>
<div class="line"><a name="l00281"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#a2dd3bc628652909b74e7ddb5db021ea5">  281</a></span>&#160;<a class="code" href="class_qwt_legend.html#a2dd3bc628652909b74e7ddb5db021ea5">QwtLegend::~QwtLegend</a>()</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;{</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;    <span class="keyword">delete</span> m_data;</div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;}</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160; </div>
<div class="line"><a name="l00296"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#adc427eb1a6ee6a3c17f7c1b8867b48b2">  296</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_legend.html#adc427eb1a6ee6a3c17f7c1b8867b48b2">QwtLegend::setMaxColumns</a>( uint numColums )</div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;{</div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;    <a class="code" href="class_qwt_dyn_grid_layout.html">QwtDynGridLayout</a>* tl = qobject_cast&lt; QwtDynGridLayout* &gt;(</div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;        m_data-&gt;view-&gt;contentsWidget-&gt;layout() );</div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;    <span class="keywordflow">if</span> ( tl )</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;        tl-&gt;<a class="code" href="class_qwt_dyn_grid_layout.html#a910bc4bcdecfa2d3a98a9bd091933014">setMaxColumns</a>( numColums );</div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160; </div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;    updateGeometry();</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;}</div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160; </div>
<div class="line"><a name="l00310"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#ad5c80393cb8ac93d98eaa7d1d77cf1f7">  310</a></span>&#160;uint <a class="code" href="class_qwt_legend.html#ad5c80393cb8ac93d98eaa7d1d77cf1f7">QwtLegend::maxColumns</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;    uint maxCols = 0;</div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160; </div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_qwt_dyn_grid_layout.html">QwtDynGridLayout</a>* tl = qobject_cast&lt; const QwtDynGridLayout* &gt;(</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;        m_data-&gt;view-&gt;contentsWidget-&gt;layout() );</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;    <span class="keywordflow">if</span> ( tl )</div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;        maxCols = tl-&gt;<a class="code" href="class_qwt_dyn_grid_layout.html#a73e0cee4cf42ddf5b3f33947b1881143">maxColumns</a>();</div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160; </div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;    <span class="keywordflow">return</span> maxCols;</div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;}</div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160; </div>
<div class="line"><a name="l00335"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#af977ff3e749f8281ee8ad4b926542b50">  335</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_legend.html#af977ff3e749f8281ee8ad4b926542b50">QwtLegend::setDefaultItemMode</a>( <a class="code" href="class_qwt_legend_data.html#aaa33cc8e6aec17440df5d4c38d7545b7">QwtLegendData::Mode</a> mode )</div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;{</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;    m_data-&gt;itemMode = mode;</div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;}</div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160; </div>
<div class="line"><a name="l00344"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#ab3104f1cf7a872384bdf5fb39ba46f99">  344</a></span>&#160;<a class="code" href="class_qwt_legend_data.html#aaa33cc8e6aec17440df5d4c38d7545b7">QwtLegendData::Mode</a> <a class="code" href="class_qwt_legend.html#ab3104f1cf7a872384bdf5fb39ba46f99">QwtLegend::defaultItemMode</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;    <span class="keywordflow">return</span> m_data-&gt;itemMode;</div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;}</div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160; </div>
<div class="line"><a name="l00355"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#aa52edeceb553ae703516c984f34d7ab7">  355</a></span>&#160;QWidget* <a class="code" href="class_qwt_legend.html#aa52edeceb553ae703516c984f34d7ab7">QwtLegend::contentsWidget</a>()</div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;{</div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;    <span class="keywordflow">return</span> m_data-&gt;view-&gt;contentsWidget;</div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;}</div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160; </div>
<div class="line"><a name="l00364"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#a35e2babbf9e2f0df29f07bdb9230b82d">  364</a></span>&#160;QScrollBar* <a class="code" href="class_qwt_legend.html#a35e2babbf9e2f0df29f07bdb9230b82d">QwtLegend::horizontalScrollBar</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;    <span class="keywordflow">return</span> m_data-&gt;view-&gt;horizontalScrollBar();</div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;}</div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160; </div>
<div class="line"><a name="l00373"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#a2e567054b220ba850e4c1b7800a2ad82">  373</a></span>&#160;QScrollBar* <a class="code" href="class_qwt_legend.html#a2e567054b220ba850e4c1b7800a2ad82">QwtLegend::verticalScrollBar</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;    <span class="keywordflow">return</span> m_data-&gt;view-&gt;verticalScrollBar();</div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;}</div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160; </div>
<div class="line"><a name="l00385"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#a66934c7b4b45c0213fa4cf6fa9e53943">  385</a></span>&#160;<span class="keyword">const</span> QWidget* <a class="code" href="class_qwt_legend.html#aa52edeceb553ae703516c984f34d7ab7">QwtLegend::contentsWidget</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;    <span class="keywordflow">return</span> m_data-&gt;view-&gt;contentsWidget;</div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;}</div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160; </div>
<div class="line"><a name="l00396"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#aed8bc71ee9e7cec05ee18314ec37c88d">  396</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_legend.html#aed8bc71ee9e7cec05ee18314ec37c88d">QwtLegend::updateLegend</a>( <span class="keyword">const</span> QVariant&amp; itemInfo,</div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_q_list.html">QList&lt; QwtLegendData &gt;</a>&amp; legendData )</div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;{</div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;    <a class="code" href="class_q_list.html">QList&lt; QWidget* &gt;</a> widgetList = <a class="code" href="class_qwt_legend.html#af23aeb34e562218c32a8a4014534f930">legendWidgets</a>( <a class="code" href="class_qwt_legend.html#a2c881a53105fc1c4c600f7e4d075c7be">itemInfo</a> );</div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160; </div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;    <span class="keywordflow">if</span> ( widgetList.size() != legendData.size() )</div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;    {</div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;        QLayout* contentsLayout = m_data-&gt;view-&gt;contentsWidget-&gt;layout();</div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160; </div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;        <span class="keywordflow">while</span> ( widgetList.size() &gt; legendData.size() )</div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;        {</div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;            QWidget* w = widgetList.takeLast();</div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160; </div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;            contentsLayout-&gt;removeWidget( w );</div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160; </div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;            <span class="comment">// updates might be triggered by signals from the legend widget</span></div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;            <span class="comment">// itself. So we better don&#39;t delete it here.</span></div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160; </div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;            w-&gt;hide();</div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;            w-&gt;deleteLater();</div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;        }</div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160; </div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;        widgetList.reserve( legendData.size() );</div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160; </div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;        <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = widgetList.size(); i &lt; legendData.size(); i++ )</div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;        {</div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;            QWidget* widget = <a class="code" href="class_qwt_legend.html#a1c5e7654a2fb4d4cdc00c57c5de56e29">createWidget</a>( legendData[i] );</div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160; </div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;            <span class="keywordflow">if</span> ( contentsLayout )</div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;                contentsLayout-&gt;addWidget( widget );</div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160; </div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;            <span class="keywordflow">if</span> ( isVisible() )</div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;            {</div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;                <span class="comment">// QLayout does a delayed show, with the effect, that</span></div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;                <span class="comment">// the size hint will be wrong, when applications</span></div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;                <span class="comment">// call replot() right after changing the list</span></div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;                <span class="comment">// of plot items. So we better do the show now.</span></div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160; </div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;                widget-&gt;setVisible( <span class="keyword">true</span> );</div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;            }</div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160; </div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;            widgetList += widget;</div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;        }</div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160; </div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;        <span class="keywordflow">if</span> ( widgetList.isEmpty() )</div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;        {</div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;            m_data-&gt;itemMap.remove( <a class="code" href="class_qwt_legend.html#a2c881a53105fc1c4c600f7e4d075c7be">itemInfo</a> );</div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;        }</div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;        {</div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;            m_data-&gt;itemMap.insert( <a class="code" href="class_qwt_legend.html#a2c881a53105fc1c4c600f7e4d075c7be">itemInfo</a>, widgetList );</div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;        }</div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160; </div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;        updateTabOrder();</div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;    }</div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160; </div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;    <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; legendData.size(); i++ )</div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;        <a class="code" href="class_qwt_legend.html#ae13f2d67f5f5a69c256c094411e4fe58">updateWidget</a>( widgetList[i], legendData[i] );</div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;}</div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160; </div>
<div class="line"><a name="l00467"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#a1c5e7654a2fb4d4cdc00c57c5de56e29">  467</a></span>&#160;QWidget* <a class="code" href="class_qwt_legend.html#a1c5e7654a2fb4d4cdc00c57c5de56e29">QwtLegend::createWidget</a>( <span class="keyword">const</span> <a class="code" href="class_qwt_legend_data.html">QwtLegendData</a>&amp; legendData )<span class="keyword"> const</span></div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;    Q_UNUSED( legendData );</div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160; </div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;    <a class="code" href="class_qwt_legend_label.html">QwtLegendLabel</a>* label = <span class="keyword">new</span> <a class="code" href="class_qwt_legend_label.html">QwtLegendLabel</a>();</div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;    label-&gt;<a class="code" href="class_qwt_legend_label.html#a2f469bcbc733332110d61d70f863df2e">setItemMode</a>( <a class="code" href="class_qwt_legend.html#ab3104f1cf7a872384bdf5fb39ba46f99">defaultItemMode</a>() );</div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160; </div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;    connect( label, SIGNAL(<a class="code" href="class_qwt_legend.html#a26619e20d875f1e8c666b982a897244b">clicked</a>()), SLOT(<a class="code" href="class_qwt_legend.html#a9e0e1b18a6d18b113802935bb6135921">itemClicked</a>()) );</div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;    connect( label, SIGNAL(<a class="code" href="class_qwt_legend.html#ae54179a767337c154beaa826c57dda87">checked</a>(<span class="keywordtype">bool</span>)), SLOT(<a class="code" href="class_qwt_legend.html#a19429ac46c36ca12531779099476ac8a">itemChecked</a>(<span class="keywordtype">bool</span>)) );</div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160; </div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;    <span class="keywordflow">return</span> label;</div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;}</div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160; </div>
<div class="line"><a name="l00489"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#ae13f2d67f5f5a69c256c094411e4fe58">  489</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_legend.html#ae13f2d67f5f5a69c256c094411e4fe58">QwtLegend::updateWidget</a>( QWidget* widget, <span class="keyword">const</span> <a class="code" href="class_qwt_legend_data.html">QwtLegendData</a>&amp; legendData )</div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;{</div>
<div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;    <a class="code" href="class_qwt_legend_label.html">QwtLegendLabel</a>* label = qobject_cast&lt; QwtLegendLabel* &gt;( widget );</div>
<div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;    <span class="keywordflow">if</span> ( label )</div>
<div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;    {</div>
<div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;        label-&gt;<a class="code" href="class_qwt_legend_label.html#abd0140174ae2f0818cc926f68a9f27cc">setData</a>( legendData );</div>
<div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;        <span class="keywordflow">if</span> ( !legendData.<a class="code" href="class_qwt_legend_data.html#a6d7b579487291f78d9cc26b59b53e32f">value</a>( QwtLegendData::ModeRole ).isValid() )</div>
<div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;        {</div>
<div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;            <span class="comment">// use the default mode, when there is no specific</span></div>
<div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;            <span class="comment">// hint from the legend data</span></div>
<div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160; </div>
<div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;            label-&gt;<a class="code" href="class_qwt_legend_label.html#a2f469bcbc733332110d61d70f863df2e">setItemMode</a>( <a class="code" href="class_qwt_legend.html#ab3104f1cf7a872384bdf5fb39ba46f99">defaultItemMode</a>() );</div>
<div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;        }</div>
<div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;    }</div>
<div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;}</div>
<div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160; </div>
<div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;<span class="keywordtype">void</span> QwtLegend::updateTabOrder()</div>
<div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;{</div>
<div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;    QLayout* contentsLayout = m_data-&gt;view-&gt;contentsWidget-&gt;layout();</div>
<div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;    <span class="keywordflow">if</span> ( contentsLayout )</div>
<div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;    {</div>
<div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;        <span class="comment">// set tab focus chain</span></div>
<div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160; </div>
<div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;        QWidget* w = NULL;</div>
<div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160; </div>
<div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;        <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; contentsLayout-&gt;count(); i++ )</div>
<div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;        {</div>
<div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;            QLayoutItem* item = contentsLayout-&gt;itemAt( i );</div>
<div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;            <span class="keywordflow">if</span> ( w &amp;&amp; item-&gt;widget() )</div>
<div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;                QWidget::setTabOrder( w, item-&gt;widget() );</div>
<div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160; </div>
<div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;            w = item-&gt;widget();</div>
<div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;        }</div>
<div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;    }</div>
<div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;}</div>
<div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160; </div>
<div class="line"><a name="l00526"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#a31d56aa7b87b5ba129784b6000169142">  526</a></span>&#160;QSize <a class="code" href="class_qwt_legend.html#a31d56aa7b87b5ba129784b6000169142">QwtLegend::sizeHint</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;    QSize hint = m_data-&gt;view-&gt;contentsWidget-&gt;sizeHint();</div>
<div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;    hint += QSize( 2 * frameWidth(), 2 * frameWidth() );</div>
<div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160; </div>
<div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;    <span class="keywordflow">return</span> hint;</div>
<div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;}</div>
<div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160; </div>
<div class="line"><a name="l00538"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#a5867754269c9b4c172d683cbfef0753c">  538</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="class_qwt_legend.html#a5867754269c9b4c172d683cbfef0753c">QwtLegend::heightForWidth</a>( <span class="keywordtype">int</span> width )<span class="keyword"> const</span></div>
<div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;    width -= 2 * frameWidth();</div>
<div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160; </div>
<div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;    <span class="keywordtype">int</span> h = m_data-&gt;view-&gt;contentsWidget-&gt;heightForWidth( width );</div>
<div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;    <span class="keywordflow">if</span> ( h &gt;= 0 )</div>
<div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;        h += 2 * frameWidth();</div>
<div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160; </div>
<div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;    <span class="keywordflow">return</span> h;</div>
<div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;}</div>
<div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160; </div>
<div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160; </div>
<div class="line"><a name="l00559"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#a20248389658e3b01373b0de069a05aa4">  559</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="class_qwt_legend.html#a20248389658e3b01373b0de069a05aa4">QwtLegend::eventFilter</a>( QObject* <span class="keywordtype">object</span>, QEvent* event )</div>
<div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;{</div>
<div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;    <span class="keywordflow">if</span> ( <span class="keywordtype">object</span> == m_data-&gt;view-&gt;contentsWidget )</div>
<div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;    {</div>
<div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;        <span class="keywordflow">switch</span> ( event-&gt;type() )</div>
<div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;        {</div>
<div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;            <span class="keywordflow">case</span> QEvent::ChildRemoved:</div>
<div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;            {</div>
<div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160;                <span class="keyword">const</span> QChildEvent* ce =</div>
<div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;                    <span class="keyword">static_cast&lt;</span> <span class="keyword">const </span>QChildEvent* <span class="keyword">&gt;</span>( event );</div>
<div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160; </div>
<div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;                <span class="keywordflow">if</span> ( ce-&gt;child()-&gt;isWidgetType() )</div>
<div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;                {</div>
<div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;                    <span class="comment">/*</span></div>
<div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;<span class="comment">                        We are called from the ~QObject and ce-&gt;child() is</span></div>
<div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;<span class="comment">                        no widget anymore. But all we need is the address</span></div>
<div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;<span class="comment">                        to remove it from the map.</span></div>
<div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;<span class="comment">                     */</span></div>
<div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;                    QWidget* w = <span class="keyword">reinterpret_cast&lt;</span> QWidget* <span class="keyword">&gt;</span>( ce-&gt;child() );</div>
<div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;                    m_data-&gt;itemMap.removeWidget( w );</div>
<div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;                }</div>
<div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;            }</div>
<div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;            <span class="keywordflow">case</span> QEvent::LayoutRequest:</div>
<div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;            {</div>
<div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;                m_data-&gt;view-&gt;layoutContents();</div>
<div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160; </div>
<div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;                <span class="keywordflow">if</span> ( parentWidget() &amp;&amp; parentWidget()-&gt;layout() == NULL )</div>
<div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;                {</div>
<div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;                    <span class="comment">/*</span></div>
<div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;<span class="comment">                       We want the parent widget ( usually QwtPlot ) to recalculate</span></div>
<div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;<span class="comment">                       its layout, when the contentsWidget has changed. But</span></div>
<div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;<span class="comment">                       because of the scroll view we have to forward the LayoutRequest</span></div>
<div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;<span class="comment">                       event manually.</span></div>
<div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;<span class="comment">                       We don&#39;t use updateGeometry() because it doesn&#39;t post LayoutRequest</span></div>
<div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;<span class="comment">                       events when the legend is hidden. But we want the</span></div>
<div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;<span class="comment">                       parent widget notified, so it can show/hide the legend</span></div>
<div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;<span class="comment">                       depending on its items.</span></div>
<div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;<span class="comment">                     */</span></div>
<div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160;                    QApplication::postEvent( parentWidget(),</div>
<div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;                        <span class="keyword">new</span> QEvent( QEvent::LayoutRequest ) );</div>
<div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;                }</div>
<div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;            }</div>
<div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160;            <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;        }</div>
<div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;    }</div>
<div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160; </div>
<div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;    <span class="keywordflow">return</span> QwtAbstractLegend::eventFilter( <span class="keywordtype">object</span>, event );</div>
<div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;}</div>
<div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160; </div>
<div class="line"><a name="l00616"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#a9e0e1b18a6d18b113802935bb6135921">  616</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_legend.html#a9e0e1b18a6d18b113802935bb6135921">QwtLegend::itemClicked</a>()</div>
<div class="line"><a name="l00617"></a><span class="lineno">  617</span>&#160;{</div>
<div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160;    QWidget* w = qobject_cast&lt; QWidget* &gt;( sender() );</div>
<div class="line"><a name="l00619"></a><span class="lineno">  619</span>&#160;    <span class="keywordflow">if</span> ( w )</div>
<div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;    {</div>
<div class="line"><a name="l00621"></a><span class="lineno">  621</span>&#160;        <span class="keyword">const</span> QVariant <a class="code" href="class_qwt_legend.html#a2c881a53105fc1c4c600f7e4d075c7be">itemInfo</a> = m_data-&gt;itemMap.itemInfo( w );</div>
<div class="line"><a name="l00622"></a><span class="lineno">  622</span>&#160;        <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_legend.html#a2c881a53105fc1c4c600f7e4d075c7be">itemInfo</a>.isValid() )</div>
<div class="line"><a name="l00623"></a><span class="lineno">  623</span>&#160;        {</div>
<div class="line"><a name="l00624"></a><span class="lineno">  624</span>&#160;            <span class="keyword">const</span> <a class="code" href="class_q_list.html">QList&lt; QWidget* &gt;</a> widgetList =</div>
<div class="line"><a name="l00625"></a><span class="lineno">  625</span>&#160;                m_data-&gt;itemMap.legendWidgets( <a class="code" href="class_qwt_legend.html#a2c881a53105fc1c4c600f7e4d075c7be">itemInfo</a> );</div>
<div class="line"><a name="l00626"></a><span class="lineno">  626</span>&#160; </div>
<div class="line"><a name="l00627"></a><span class="lineno">  627</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">int</span> index = widgetList.indexOf( w );</div>
<div class="line"><a name="l00628"></a><span class="lineno">  628</span>&#160;            <span class="keywordflow">if</span> ( index &gt;= 0 )</div>
<div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;                Q_EMIT <a class="code" href="class_qwt_legend.html#a26619e20d875f1e8c666b982a897244b">clicked</a>( <a class="code" href="class_qwt_legend.html#a2c881a53105fc1c4c600f7e4d075c7be">itemInfo</a>, index );</div>
<div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160;        }</div>
<div class="line"><a name="l00631"></a><span class="lineno">  631</span>&#160;    }</div>
<div class="line"><a name="l00632"></a><span class="lineno">  632</span>&#160;}</div>
<div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160; </div>
<div class="line"><a name="l00638"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#a19429ac46c36ca12531779099476ac8a">  638</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_legend.html#a19429ac46c36ca12531779099476ac8a">QwtLegend::itemChecked</a>( <span class="keywordtype">bool</span> on )</div>
<div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160;{</div>
<div class="line"><a name="l00640"></a><span class="lineno">  640</span>&#160;    QWidget* w = qobject_cast&lt; QWidget* &gt;( sender() );</div>
<div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160;    <span class="keywordflow">if</span> ( w )</div>
<div class="line"><a name="l00642"></a><span class="lineno">  642</span>&#160;    {</div>
<div class="line"><a name="l00643"></a><span class="lineno">  643</span>&#160;        <span class="keyword">const</span> QVariant <a class="code" href="class_qwt_legend.html#a2c881a53105fc1c4c600f7e4d075c7be">itemInfo</a> = m_data-&gt;itemMap.itemInfo( w );</div>
<div class="line"><a name="l00644"></a><span class="lineno">  644</span>&#160;        <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_legend.html#a2c881a53105fc1c4c600f7e4d075c7be">itemInfo</a>.isValid() )</div>
<div class="line"><a name="l00645"></a><span class="lineno">  645</span>&#160;        {</div>
<div class="line"><a name="l00646"></a><span class="lineno">  646</span>&#160;            <span class="keyword">const</span> <a class="code" href="class_q_list.html">QList&lt; QWidget* &gt;</a> widgetList =</div>
<div class="line"><a name="l00647"></a><span class="lineno">  647</span>&#160;                m_data-&gt;itemMap.legendWidgets( <a class="code" href="class_qwt_legend.html#a2c881a53105fc1c4c600f7e4d075c7be">itemInfo</a> );</div>
<div class="line"><a name="l00648"></a><span class="lineno">  648</span>&#160; </div>
<div class="line"><a name="l00649"></a><span class="lineno">  649</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">int</span> index = widgetList.indexOf( w );</div>
<div class="line"><a name="l00650"></a><span class="lineno">  650</span>&#160;            <span class="keywordflow">if</span> ( index &gt;= 0 )</div>
<div class="line"><a name="l00651"></a><span class="lineno">  651</span>&#160;                Q_EMIT <a class="code" href="class_qwt_legend.html#ae54179a767337c154beaa826c57dda87">checked</a>( <a class="code" href="class_qwt_legend.html#a2c881a53105fc1c4c600f7e4d075c7be">itemInfo</a>, on, index );</div>
<div class="line"><a name="l00652"></a><span class="lineno">  652</span>&#160;        }</div>
<div class="line"><a name="l00653"></a><span class="lineno">  653</span>&#160;    }</div>
<div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;}</div>
<div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160; </div>
<div class="line"><a name="l00665"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#a214f2565c99220b4a2dcfd02d5abe274">  665</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_legend.html#a214f2565c99220b4a2dcfd02d5abe274">QwtLegend::renderLegend</a>( QPainter* painter,</div>
<div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160;    <span class="keyword">const</span> QRectF&amp; rect, <span class="keywordtype">bool</span> fillBackground )<span class="keyword"> const</span></div>
<div class="line"><a name="l00667"></a><span class="lineno">  667</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00668"></a><span class="lineno">  668</span>&#160;    <span class="keywordflow">if</span> ( m_data-&gt;itemMap.isEmpty() )</div>
<div class="line"><a name="l00669"></a><span class="lineno">  669</span>&#160;        <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00670"></a><span class="lineno">  670</span>&#160; </div>
<div class="line"><a name="l00671"></a><span class="lineno">  671</span>&#160;    <span class="keywordflow">if</span> ( fillBackground )</div>
<div class="line"><a name="l00672"></a><span class="lineno">  672</span>&#160;    {</div>
<div class="line"><a name="l00673"></a><span class="lineno">  673</span>&#160;        <span class="keywordflow">if</span> ( autoFillBackground() ||</div>
<div class="line"><a name="l00674"></a><span class="lineno">  674</span>&#160;            testAttribute( Qt::WA_StyledBackground ) )</div>
<div class="line"><a name="l00675"></a><span class="lineno">  675</span>&#160;        {</div>
<div class="line"><a name="l00676"></a><span class="lineno">  676</span>&#160;            <a class="code" href="class_qwt_painter.html#a9eabeabb6420538c4ad84020280f640c">QwtPainter::drawBackgound</a>( painter, rect, <span class="keyword">this</span> );</div>
<div class="line"><a name="l00677"></a><span class="lineno">  677</span>&#160;        }</div>
<div class="line"><a name="l00678"></a><span class="lineno">  678</span>&#160;    }</div>
<div class="line"><a name="l00679"></a><span class="lineno">  679</span>&#160; </div>
<div class="line"><a name="l00680"></a><span class="lineno">  680</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_qwt_dyn_grid_layout.html">QwtDynGridLayout</a>* legendLayout =</div>
<div class="line"><a name="l00681"></a><span class="lineno">  681</span>&#160;        qobject_cast&lt; QwtDynGridLayout* &gt;( <a class="code" href="class_qwt_legend.html#aa52edeceb553ae703516c984f34d7ab7">contentsWidget</a>()-&gt;layout() );</div>
<div class="line"><a name="l00682"></a><span class="lineno">  682</span>&#160;    <span class="keywordflow">if</span> ( legendLayout == NULL )</div>
<div class="line"><a name="l00683"></a><span class="lineno">  683</span>&#160;        <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00684"></a><span class="lineno">  684</span>&#160; </div>
<div class="line"><a name="l00685"></a><span class="lineno">  685</span>&#160;    <span class="keyword">const</span> QMargins m = contentsMargins();</div>
<div class="line"><a name="l00686"></a><span class="lineno">  686</span>&#160; </div>
<div class="line"><a name="l00687"></a><span class="lineno">  687</span>&#160;    QRect layoutRect;</div>
<div class="line"><a name="l00688"></a><span class="lineno">  688</span>&#160;    layoutRect.setLeft( qwtCeil( rect.left() ) + m.left() );</div>
<div class="line"><a name="l00689"></a><span class="lineno">  689</span>&#160;    layoutRect.setTop( qwtCeil( rect.top() ) + m.top() );</div>
<div class="line"><a name="l00690"></a><span class="lineno">  690</span>&#160;    layoutRect.setRight( qwtFloor( rect.right() ) - m.right() );</div>
<div class="line"><a name="l00691"></a><span class="lineno">  691</span>&#160;    layoutRect.setBottom( qwtFloor( rect.bottom() ) - m.bottom() );</div>
<div class="line"><a name="l00692"></a><span class="lineno">  692</span>&#160; </div>
<div class="line"><a name="l00693"></a><span class="lineno">  693</span>&#160;    uint numCols = legendLayout-&gt;<a class="code" href="class_qwt_dyn_grid_layout.html#a27f533700d504f931753cec818d2ebdd">columnsForWidth</a>( layoutRect.width() );</div>
<div class="line"><a name="l00694"></a><span class="lineno">  694</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_q_list.html">QList&lt; QRect &gt;</a> itemRects =</div>
<div class="line"><a name="l00695"></a><span class="lineno">  695</span>&#160;        legendLayout-&gt;<a class="code" href="class_qwt_dyn_grid_layout.html#aa0209454d4efa0532a574c8b1c511366">layoutItems</a>( layoutRect, numCols );</div>
<div class="line"><a name="l00696"></a><span class="lineno">  696</span>&#160; </div>
<div class="line"><a name="l00697"></a><span class="lineno">  697</span>&#160;    <span class="keywordtype">int</span> index = 0;</div>
<div class="line"><a name="l00698"></a><span class="lineno">  698</span>&#160; </div>
<div class="line"><a name="l00699"></a><span class="lineno">  699</span>&#160;    <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; legendLayout-&gt;<a class="code" href="class_qwt_dyn_grid_layout.html#ad78603e593e17006ebe1bc829a7870bf">count</a>(); i++ )</div>
<div class="line"><a name="l00700"></a><span class="lineno">  700</span>&#160;    {</div>
<div class="line"><a name="l00701"></a><span class="lineno">  701</span>&#160;        QLayoutItem* item = legendLayout-&gt;<a class="code" href="class_qwt_dyn_grid_layout.html#a231a0e72cf2a1de1c24653d9dfb5fec3">itemAt</a>( i );</div>
<div class="line"><a name="l00702"></a><span class="lineno">  702</span>&#160;        QWidget* w = item-&gt;widget();</div>
<div class="line"><a name="l00703"></a><span class="lineno">  703</span>&#160;        <span class="keywordflow">if</span> ( w )</div>
<div class="line"><a name="l00704"></a><span class="lineno">  704</span>&#160;        {</div>
<div class="line"><a name="l00705"></a><span class="lineno">  705</span>&#160;            painter-&gt;save();</div>
<div class="line"><a name="l00706"></a><span class="lineno">  706</span>&#160; </div>
<div class="line"><a name="l00707"></a><span class="lineno">  707</span>&#160;            painter-&gt;setClipRect( itemRects[index], Qt::IntersectClip );</div>
<div class="line"><a name="l00708"></a><span class="lineno">  708</span>&#160;            <a class="code" href="class_qwt_legend.html#a7d935dface0a2cfd770daffa0c3c12ab">renderItem</a>( painter, w, itemRects[index], fillBackground );</div>
<div class="line"><a name="l00709"></a><span class="lineno">  709</span>&#160; </div>
<div class="line"><a name="l00710"></a><span class="lineno">  710</span>&#160;            index++;</div>
<div class="line"><a name="l00711"></a><span class="lineno">  711</span>&#160;            painter-&gt;restore();</div>
<div class="line"><a name="l00712"></a><span class="lineno">  712</span>&#160;        }</div>
<div class="line"><a name="l00713"></a><span class="lineno">  713</span>&#160;    }</div>
<div class="line"><a name="l00714"></a><span class="lineno">  714</span>&#160;}</div>
<div class="line"><a name="l00715"></a><span class="lineno">  715</span>&#160; </div>
<div class="line"><a name="l00727"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#a7d935dface0a2cfd770daffa0c3c12ab">  727</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_legend.html#a7d935dface0a2cfd770daffa0c3c12ab">QwtLegend::renderItem</a>( QPainter* painter,</div>
<div class="line"><a name="l00728"></a><span class="lineno">  728</span>&#160;    <span class="keyword">const</span> QWidget* widget, <span class="keyword">const</span> QRectF&amp; rect, <span class="keywordtype">bool</span> fillBackground )<span class="keyword"> const</span></div>
<div class="line"><a name="l00729"></a><span class="lineno">  729</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00730"></a><span class="lineno">  730</span>&#160;    <span class="keywordflow">if</span> ( fillBackground )</div>
<div class="line"><a name="l00731"></a><span class="lineno">  731</span>&#160;    {</div>
<div class="line"><a name="l00732"></a><span class="lineno">  732</span>&#160;        <span class="keywordflow">if</span> ( widget-&gt;autoFillBackground() ||</div>
<div class="line"><a name="l00733"></a><span class="lineno">  733</span>&#160;            widget-&gt;testAttribute( Qt::WA_StyledBackground ) )</div>
<div class="line"><a name="l00734"></a><span class="lineno">  734</span>&#160;        {</div>
<div class="line"><a name="l00735"></a><span class="lineno">  735</span>&#160;            <a class="code" href="class_qwt_painter.html#a9eabeabb6420538c4ad84020280f640c">QwtPainter::drawBackgound</a>( painter, rect, widget );</div>
<div class="line"><a name="l00736"></a><span class="lineno">  736</span>&#160;        }</div>
<div class="line"><a name="l00737"></a><span class="lineno">  737</span>&#160;    }</div>
<div class="line"><a name="l00738"></a><span class="lineno">  738</span>&#160; </div>
<div class="line"><a name="l00739"></a><span class="lineno">  739</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_qwt_legend_label.html">QwtLegendLabel</a>* label = qobject_cast&lt; const QwtLegendLabel* &gt;( widget );</div>
<div class="line"><a name="l00740"></a><span class="lineno">  740</span>&#160;    <span class="keywordflow">if</span> ( label )</div>
<div class="line"><a name="l00741"></a><span class="lineno">  741</span>&#160;    {</div>
<div class="line"><a name="l00742"></a><span class="lineno">  742</span>&#160;        <span class="comment">// icon</span></div>
<div class="line"><a name="l00743"></a><span class="lineno">  743</span>&#160; </div>
<div class="line"><a name="l00744"></a><span class="lineno">  744</span>&#160;        <span class="keyword">const</span> <a class="code" href="class_qwt_graphic.html">QwtGraphic</a>&amp; icon = label-&gt;<a class="code" href="class_qwt_legend_label.html#aa7d232fa7a0f3e8bde4d71b360016167">data</a>().<a class="code" href="class_qwt_legend_data.html#aea7d1ab69cc1cab86a949b48b92a71b4">icon</a>();</div>
<div class="line"><a name="l00745"></a><span class="lineno">  745</span>&#160;        <span class="keyword">const</span> QSizeF sz = icon.<a class="code" href="class_qwt_graphic.html#aac1532ad15c8244dde6ba6f7c4b752dd">defaultSize</a>();</div>
<div class="line"><a name="l00746"></a><span class="lineno">  746</span>&#160; </div>
<div class="line"><a name="l00747"></a><span class="lineno">  747</span>&#160;        <span class="keyword">const</span> QRectF iconRect( rect.x() + label-&gt;<a class="code" href="class_qwt_text_label.html#a213b9d779d8f12b6db264d27be188eb5">margin</a>(),</div>
<div class="line"><a name="l00748"></a><span class="lineno">  748</span>&#160;            rect.center().y() - 0.5 * sz.height(),</div>
<div class="line"><a name="l00749"></a><span class="lineno">  749</span>&#160;            sz.width(), sz.height() );</div>
<div class="line"><a name="l00750"></a><span class="lineno">  750</span>&#160; </div>
<div class="line"><a name="l00751"></a><span class="lineno">  751</span>&#160;        icon.<a class="code" href="class_qwt_graphic.html#af9d87badcb71e2ada14d5d9721bb4eca">render</a>( painter, iconRect, Qt::KeepAspectRatio );</div>
<div class="line"><a name="l00752"></a><span class="lineno">  752</span>&#160; </div>
<div class="line"><a name="l00753"></a><span class="lineno">  753</span>&#160;        <span class="comment">// title</span></div>
<div class="line"><a name="l00754"></a><span class="lineno">  754</span>&#160; </div>
<div class="line"><a name="l00755"></a><span class="lineno">  755</span>&#160;        QRectF titleRect = rect;</div>
<div class="line"><a name="l00756"></a><span class="lineno">  756</span>&#160;        titleRect.setX( iconRect.right() + 2 * label-&gt;<a class="code" href="class_qwt_legend_label.html#a46c2aec2d42136cb5b9497f5e592980b">spacing</a>() );</div>
<div class="line"><a name="l00757"></a><span class="lineno">  757</span>&#160; </div>
<div class="line"><a name="l00758"></a><span class="lineno">  758</span>&#160;        QFont labelFont = label-&gt;font();</div>
<div class="line"><a name="l00759"></a><span class="lineno">  759</span>&#160;<span class="preprocessor">#if QT_VERSION &gt;= 0x060000</span></div>
<div class="line"><a name="l00760"></a><span class="lineno">  760</span>&#160;        labelFont.setResolveMask( QFont::AllPropertiesResolved );</div>
<div class="line"><a name="l00761"></a><span class="lineno">  761</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00762"></a><span class="lineno">  762</span>&#160;        labelFont.resolve( QFont::AllPropertiesResolved );</div>
<div class="line"><a name="l00763"></a><span class="lineno">  763</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00764"></a><span class="lineno">  764</span>&#160; </div>
<div class="line"><a name="l00765"></a><span class="lineno">  765</span>&#160;        painter-&gt;setFont( labelFont );</div>
<div class="line"><a name="l00766"></a><span class="lineno">  766</span>&#160;        painter-&gt;setPen( label-&gt;palette().color( QPalette::Text ) );</div>
<div class="line"><a name="l00767"></a><span class="lineno">  767</span>&#160; </div>
<div class="line"><a name="l00768"></a><span class="lineno">  768</span>&#160;        <span class="keyword">const_cast&lt;</span> <a class="code" href="class_qwt_legend_label.html">QwtLegendLabel</a>* <span class="keyword">&gt;</span>( label )-&gt;drawText( painter, titleRect );</div>
<div class="line"><a name="l00769"></a><span class="lineno">  769</span>&#160;    }</div>
<div class="line"><a name="l00770"></a><span class="lineno">  770</span>&#160;}</div>
<div class="line"><a name="l00771"></a><span class="lineno">  771</span>&#160; </div>
<div class="line"><a name="l00777"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#af23aeb34e562218c32a8a4014534f930">  777</a></span>&#160;<a class="code" href="class_q_list.html">QList&lt; QWidget* &gt;</a> <a class="code" href="class_qwt_legend.html#af23aeb34e562218c32a8a4014534f930">QwtLegend::legendWidgets</a>( <span class="keyword">const</span> QVariant&amp; itemInfo )<span class="keyword"> const</span></div>
<div class="line"><a name="l00778"></a><span class="lineno">  778</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00779"></a><span class="lineno">  779</span>&#160;    <span class="keywordflow">return</span> m_data-&gt;itemMap.legendWidgets( <a class="code" href="class_qwt_legend.html#a2c881a53105fc1c4c600f7e4d075c7be">itemInfo</a> );</div>
<div class="line"><a name="l00780"></a><span class="lineno">  780</span>&#160;}</div>
<div class="line"><a name="l00781"></a><span class="lineno">  781</span>&#160; </div>
<div class="line"><a name="l00788"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#a5c71e0bf27a1732e7a4a2780b4835128">  788</a></span>&#160;QWidget* <a class="code" href="class_qwt_legend.html#a5c71e0bf27a1732e7a4a2780b4835128">QwtLegend::legendWidget</a>( <span class="keyword">const</span> QVariant&amp; itemInfo )<span class="keyword"> const</span></div>
<div class="line"><a name="l00789"></a><span class="lineno">  789</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00790"></a><span class="lineno">  790</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_q_list.html">QList&lt; QWidget* &gt;</a> list = m_data-&gt;itemMap.legendWidgets( <a class="code" href="class_qwt_legend.html#a2c881a53105fc1c4c600f7e4d075c7be">itemInfo</a> );</div>
<div class="line"><a name="l00791"></a><span class="lineno">  791</span>&#160;    <span class="keywordflow">if</span> ( list.isEmpty() )</div>
<div class="line"><a name="l00792"></a><span class="lineno">  792</span>&#160;        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00793"></a><span class="lineno">  793</span>&#160; </div>
<div class="line"><a name="l00794"></a><span class="lineno">  794</span>&#160;    <span class="keywordflow">return</span> list[0];</div>
<div class="line"><a name="l00795"></a><span class="lineno">  795</span>&#160;}</div>
<div class="line"><a name="l00796"></a><span class="lineno">  796</span>&#160; </div>
<div class="line"><a name="l00804"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#a2c881a53105fc1c4c600f7e4d075c7be">  804</a></span>&#160;QVariant <a class="code" href="class_qwt_legend.html#a2c881a53105fc1c4c600f7e4d075c7be">QwtLegend::itemInfo</a>( <span class="keyword">const</span> QWidget* widget )<span class="keyword"> const</span></div>
<div class="line"><a name="l00805"></a><span class="lineno">  805</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00806"></a><span class="lineno">  806</span>&#160;    <span class="keywordflow">return</span> m_data-&gt;itemMap.itemInfo( widget );</div>
<div class="line"><a name="l00807"></a><span class="lineno">  807</span>&#160;}</div>
<div class="line"><a name="l00808"></a><span class="lineno">  808</span>&#160; </div>
<div class="line"><a name="l00810"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#a2fefc0a988011b2e776484866a1414ff">  810</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="class_qwt_legend.html#a2fefc0a988011b2e776484866a1414ff">QwtLegend::isEmpty</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00811"></a><span class="lineno">  811</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00812"></a><span class="lineno">  812</span>&#160;    <span class="keywordflow">return</span> m_data-&gt;itemMap.isEmpty();</div>
<div class="line"><a name="l00813"></a><span class="lineno">  813</span>&#160;}</div>
<div class="line"><a name="l00814"></a><span class="lineno">  814</span>&#160; </div>
<div class="line"><a name="l00821"></a><span class="lineno"><a class="line" href="class_qwt_legend.html#ada8e15fb805b26be7184e093dcdf5221">  821</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="class_qwt_legend.html#ada8e15fb805b26be7184e093dcdf5221">QwtLegend::scrollExtent</a>( Qt::Orientation orientation )<span class="keyword"> const</span></div>
<div class="line"><a name="l00822"></a><span class="lineno">  822</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00823"></a><span class="lineno">  823</span>&#160;    <span class="keywordtype">int</span> extent = 0;</div>
<div class="line"><a name="l00824"></a><span class="lineno">  824</span>&#160; </div>
<div class="line"><a name="l00825"></a><span class="lineno">  825</span>&#160;    <span class="keywordflow">if</span> ( orientation == Qt::Horizontal )</div>
<div class="line"><a name="l00826"></a><span class="lineno">  826</span>&#160;        extent = <a class="code" href="class_qwt_legend.html#a2e567054b220ba850e4c1b7800a2ad82">verticalScrollBar</a>()-&gt;sizeHint().width();</div>
<div class="line"><a name="l00827"></a><span class="lineno">  827</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00828"></a><span class="lineno">  828</span>&#160;        extent = <a class="code" href="class_qwt_legend.html#a35e2babbf9e2f0df29f07bdb9230b82d">horizontalScrollBar</a>()-&gt;sizeHint().height();</div>
<div class="line"><a name="l00829"></a><span class="lineno">  829</span>&#160; </div>
<div class="line"><a name="l00830"></a><span class="lineno">  830</span>&#160;    <span class="keywordflow">return</span> extent;</div>
<div class="line"><a name="l00831"></a><span class="lineno">  831</span>&#160;}</div>
<div class="line"><a name="l00832"></a><span class="lineno">  832</span>&#160; </div>
<div class="line"><a name="l00833"></a><span class="lineno">  833</span>&#160;<span class="preprocessor">#if QWT_MOC_INCLUDE</span></div>
<div class="line"><a name="l00834"></a><span class="lineno">  834</span>&#160;<span class="preprocessor">#include &quot;moc_qwt_legend.cpp&quot;</span></div>
<div class="line"><a name="l00835"></a><span class="lineno">  835</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="aclass_q_list_html"><div class="ttname"><a href="class_q_list.html">QList</a></div><div class="ttdef"><b>Definition:</b> <a href="qwt__abstract__legend_8h_source.html#l00017">qwt_abstract_legend.h:17</a></div></div>
<div class="ttc" id="aclass_qwt_abstract_legend_html"><div class="ttname"><a href="class_qwt_abstract_legend.html">QwtAbstractLegend</a></div><div class="ttdoc">Abstract base class for legend widgets.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__abstract__legend_8h_source.html#l00034">qwt_abstract_legend.h:35</a></div></div>
<div class="ttc" id="aclass_qwt_dyn_grid_layout_html"><div class="ttname"><a href="class_qwt_dyn_grid_layout.html">QwtDynGridLayout</a></div><div class="ttdoc">The QwtDynGridLayout class lays out widgets in a grid, adjusting the number of columns and rows to th...</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dyngrid__layout_8h_source.html#l00027">qwt_dyngrid_layout.h:28</a></div></div>
<div class="ttc" id="aclass_qwt_dyn_grid_layout_html_a04d1e6083c4c10ddd5baebb148f64f59"><div class="ttname"><a href="class_qwt_dyn_grid_layout.html#a04d1e6083c4c10ddd5baebb148f64f59">QwtDynGridLayout::heightForWidth</a></div><div class="ttdeci">virtual int heightForWidth(int) const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dyngrid__layout_8cpp_source.html#l00455">qwt_dyngrid_layout.cpp:455</a></div></div>
<div class="ttc" id="aclass_qwt_dyn_grid_layout_html_a231a0e72cf2a1de1c24653d9dfb5fec3"><div class="ttname"><a href="class_qwt_dyn_grid_layout.html#a231a0e72cf2a1de1c24653d9dfb5fec3">QwtDynGridLayout::itemAt</a></div><div class="ttdeci">virtual QLayoutItem * itemAt(int index) const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dyngrid__layout_8cpp_source.html#l00157">qwt_dyngrid_layout.cpp:157</a></div></div>
<div class="ttc" id="aclass_qwt_dyn_grid_layout_html_a27f533700d504f931753cec818d2ebdd"><div class="ttname"><a href="class_qwt_dyn_grid_layout.html#a27f533700d504f931753cec818d2ebdd">QwtDynGridLayout::columnsForWidth</a></div><div class="ttdeci">virtual uint columnsForWidth(int width) const</div><div class="ttdoc">Calculate the number of columns for a given width.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dyngrid__layout_8cpp_source.html#l00256">qwt_dyngrid_layout.cpp:256</a></div></div>
<div class="ttc" id="aclass_qwt_dyn_grid_layout_html_a4f59bc630006261cf3d82609e9513add"><div class="ttname"><a href="class_qwt_dyn_grid_layout.html#a4f59bc630006261cf3d82609e9513add">QwtDynGridLayout::maxItemWidth</a></div><div class="ttdeci">virtual int maxItemWidth() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dyngrid__layout_8cpp_source.html#l00316">qwt_dyngrid_layout.cpp:316</a></div></div>
<div class="ttc" id="aclass_qwt_dyn_grid_layout_html_a73e0cee4cf42ddf5b3f33947b1881143"><div class="ttname"><a href="class_qwt_dyn_grid_layout.html#a73e0cee4cf42ddf5b3f33947b1881143">QwtDynGridLayout::maxColumns</a></div><div class="ttdeci">uint maxColumns() const</div><div class="ttdoc">Return the upper limit for the number of columns.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dyngrid__layout_8cpp_source.html#l00119">qwt_dyngrid_layout.cpp:119</a></div></div>
<div class="ttc" id="aclass_qwt_dyn_grid_layout_html_a910bc4bcdecfa2d3a98a9bd091933014"><div class="ttname"><a href="class_qwt_dyn_grid_layout.html#a910bc4bcdecfa2d3a98a9bd091933014">QwtDynGridLayout::setMaxColumns</a></div><div class="ttdeci">void setMaxColumns(uint maxColumns)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dyngrid__layout_8cpp_source.html#l00106">qwt_dyngrid_layout.cpp:106</a></div></div>
<div class="ttc" id="aclass_qwt_dyn_grid_layout_html_aa0209454d4efa0532a574c8b1c511366"><div class="ttname"><a href="class_qwt_dyn_grid_layout.html#aa0209454d4efa0532a574c8b1c511366">QwtDynGridLayout::layoutItems</a></div><div class="ttdeci">QList&lt; QRect &gt; layoutItems(const QRect &amp;, uint numColumns) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dyngrid__layout_8cpp_source.html#l00344">qwt_dyngrid_layout.cpp:344</a></div></div>
<div class="ttc" id="aclass_qwt_dyn_grid_layout_html_ad78603e593e17006ebe1bc829a7870bf"><div class="ttname"><a href="class_qwt_dyn_grid_layout.html#ad78603e593e17006ebe1bc829a7870bf">QwtDynGridLayout::count</a></div><div class="ttdeci">virtual int count() const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__dyngrid__layout_8cpp_source.html#l00182">qwt_dyngrid_layout.cpp:182</a></div></div>
<div class="ttc" id="aclass_qwt_graphic_html"><div class="ttname"><a href="class_qwt_graphic.html">QwtGraphic</a></div><div class="ttdoc">A paint device for scalable graphics.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__graphic_8h_source.html#l00075">qwt_graphic.h:76</a></div></div>
<div class="ttc" id="aclass_qwt_graphic_html_aac1532ad15c8244dde6ba6f7c4b752dd"><div class="ttname"><a href="class_qwt_graphic.html#aac1532ad15c8244dde6ba6f7c4b752dd">QwtGraphic::defaultSize</a></div><div class="ttdeci">QSizeF defaultSize() const</div><div class="ttdoc">Default size.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__graphic_8cpp_source.html#l00574">qwt_graphic.cpp:574</a></div></div>
<div class="ttc" id="aclass_qwt_graphic_html_af9d87badcb71e2ada14d5d9721bb4eca"><div class="ttname"><a href="class_qwt_graphic.html#af9d87badcb71e2ada14d5d9721bb4eca">QwtGraphic::render</a></div><div class="ttdeci">void render(QPainter *) const</div><div class="ttdoc">Replay all recorded painter commands.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__graphic_8cpp_source.html#l00624">qwt_graphic.cpp:624</a></div></div>
<div class="ttc" id="aclass_qwt_legend_data_html"><div class="ttname"><a href="class_qwt_legend_data.html">QwtLegendData</a></div><div class="ttdoc">Attributes of an entry on a legend.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend__data_8h_source.html#l00036">qwt_legend_data.h:37</a></div></div>
<div class="ttc" id="aclass_qwt_legend_data_html_a6d7b579487291f78d9cc26b59b53e32f"><div class="ttname"><a href="class_qwt_legend_data.html#a6d7b579487291f78d9cc26b59b53e32f">QwtLegendData::value</a></div><div class="ttdeci">QVariant value(int role) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend__data_8cpp_source.html#l00073">qwt_legend_data.cpp:73</a></div></div>
<div class="ttc" id="aclass_qwt_legend_data_html_aaa33cc8e6aec17440df5d4c38d7545b7"><div class="ttname"><a href="class_qwt_legend_data.html#aaa33cc8e6aec17440df5d4c38d7545b7">QwtLegendData::Mode</a></div><div class="ttdeci">Mode</div><div class="ttdoc">Mode defining how a legend entry interacts.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend__data_8h_source.html#l00040">qwt_legend_data.h:41</a></div></div>
<div class="ttc" id="aclass_qwt_legend_data_html_aea7d1ab69cc1cab86a949b48b92a71b4"><div class="ttname"><a href="class_qwt_legend_data.html#aea7d1ab69cc1cab86a949b48b92a71b4">QwtLegendData::icon</a></div><div class="ttdeci">QwtGraphic icon() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend__data_8cpp_source.html#l00106">qwt_legend_data.cpp:106</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_a19429ac46c36ca12531779099476ac8a"><div class="ttname"><a href="class_qwt_legend.html#a19429ac46c36ca12531779099476ac8a">QwtLegend::itemChecked</a></div><div class="ttdeci">void itemChecked(bool)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00638">qwt_legend.cpp:638</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_a1c5e7654a2fb4d4cdc00c57c5de56e29"><div class="ttname"><a href="class_qwt_legend.html#a1c5e7654a2fb4d4cdc00c57c5de56e29">QwtLegend::createWidget</a></div><div class="ttdeci">virtual QWidget * createWidget(const QwtLegendData &amp;) const</div><div class="ttdoc">Create a widget to be inserted into the legend.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00467">qwt_legend.cpp:467</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_a20248389658e3b01373b0de069a05aa4"><div class="ttname"><a href="class_qwt_legend.html#a20248389658e3b01373b0de069a05aa4">QwtLegend::eventFilter</a></div><div class="ttdeci">virtual bool eventFilter(QObject *, QEvent *) override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00559">qwt_legend.cpp:559</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_a214f2565c99220b4a2dcfd02d5abe274"><div class="ttname"><a href="class_qwt_legend.html#a214f2565c99220b4a2dcfd02d5abe274">QwtLegend::renderLegend</a></div><div class="ttdeci">virtual void renderLegend(QPainter *, const QRectF &amp;, bool fillBackground) const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00665">qwt_legend.cpp:665</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_a26619e20d875f1e8c666b982a897244b"><div class="ttname"><a href="class_qwt_legend.html#a26619e20d875f1e8c666b982a897244b">QwtLegend::clicked</a></div><div class="ttdeci">void clicked(const QVariant &amp;itemInfo, int index)</div></div>
<div class="ttc" id="aclass_qwt_legend_html_a2c881a53105fc1c4c600f7e4d075c7be"><div class="ttname"><a href="class_qwt_legend.html#a2c881a53105fc1c4c600f7e4d075c7be">QwtLegend::itemInfo</a></div><div class="ttdeci">QVariant itemInfo(const QWidget *) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00804">qwt_legend.cpp:804</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_a2dd3bc628652909b74e7ddb5db021ea5"><div class="ttname"><a href="class_qwt_legend.html#a2dd3bc628652909b74e7ddb5db021ea5">QwtLegend::~QwtLegend</a></div><div class="ttdeci">virtual ~QwtLegend()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00281">qwt_legend.cpp:281</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_a2e567054b220ba850e4c1b7800a2ad82"><div class="ttname"><a href="class_qwt_legend.html#a2e567054b220ba850e4c1b7800a2ad82">QwtLegend::verticalScrollBar</a></div><div class="ttdeci">QScrollBar * verticalScrollBar() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00373">qwt_legend.cpp:373</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_a2fefc0a988011b2e776484866a1414ff"><div class="ttname"><a href="class_qwt_legend.html#a2fefc0a988011b2e776484866a1414ff">QwtLegend::isEmpty</a></div><div class="ttdeci">virtual bool isEmpty() const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00810">qwt_legend.cpp:810</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_a31d56aa7b87b5ba129784b6000169142"><div class="ttname"><a href="class_qwt_legend.html#a31d56aa7b87b5ba129784b6000169142">QwtLegend::sizeHint</a></div><div class="ttdeci">virtual QSize sizeHint() const override</div><div class="ttdoc">Return a size hint.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00526">qwt_legend.cpp:526</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_a35e2babbf9e2f0df29f07bdb9230b82d"><div class="ttname"><a href="class_qwt_legend.html#a35e2babbf9e2f0df29f07bdb9230b82d">QwtLegend::horizontalScrollBar</a></div><div class="ttdeci">QScrollBar * horizontalScrollBar() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00364">qwt_legend.cpp:364</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_a5867754269c9b4c172d683cbfef0753c"><div class="ttname"><a href="class_qwt_legend.html#a5867754269c9b4c172d683cbfef0753c">QwtLegend::heightForWidth</a></div><div class="ttdeci">virtual int heightForWidth(int w) const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00538">qwt_legend.cpp:538</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_a5c71e0bf27a1732e7a4a2780b4835128"><div class="ttname"><a href="class_qwt_legend.html#a5c71e0bf27a1732e7a4a2780b4835128">QwtLegend::legendWidget</a></div><div class="ttdeci">QWidget * legendWidget(const QVariant &amp;) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00788">qwt_legend.cpp:788</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_a7d935dface0a2cfd770daffa0c3c12ab"><div class="ttname"><a href="class_qwt_legend.html#a7d935dface0a2cfd770daffa0c3c12ab">QwtLegend::renderItem</a></div><div class="ttdeci">virtual void renderItem(QPainter *, const QWidget *, const QRectF &amp;, bool fillBackground) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00727">qwt_legend.cpp:727</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_a9e0e1b18a6d18b113802935bb6135921"><div class="ttname"><a href="class_qwt_legend.html#a9e0e1b18a6d18b113802935bb6135921">QwtLegend::itemClicked</a></div><div class="ttdeci">void itemClicked()</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00616">qwt_legend.cpp:616</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_aa52edeceb553ae703516c984f34d7ab7"><div class="ttname"><a href="class_qwt_legend.html#aa52edeceb553ae703516c984f34d7ab7">QwtLegend::contentsWidget</a></div><div class="ttdeci">QWidget * contentsWidget()</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00355">qwt_legend.cpp:355</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_ab3104f1cf7a872384bdf5fb39ba46f99"><div class="ttname"><a href="class_qwt_legend.html#ab3104f1cf7a872384bdf5fb39ba46f99">QwtLegend::defaultItemMode</a></div><div class="ttdeci">QwtLegendData::Mode defaultItemMode() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00344">qwt_legend.cpp:344</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_ad5c80393cb8ac93d98eaa7d1d77cf1f7"><div class="ttname"><a href="class_qwt_legend.html#ad5c80393cb8ac93d98eaa7d1d77cf1f7">QwtLegend::maxColumns</a></div><div class="ttdeci">uint maxColumns() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00310">qwt_legend.cpp:310</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_ada8e15fb805b26be7184e093dcdf5221"><div class="ttname"><a href="class_qwt_legend.html#ada8e15fb805b26be7184e093dcdf5221">QwtLegend::scrollExtent</a></div><div class="ttdeci">virtual int scrollExtent(Qt::Orientation) const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00821">qwt_legend.cpp:821</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_adc427eb1a6ee6a3c17f7c1b8867b48b2"><div class="ttname"><a href="class_qwt_legend.html#adc427eb1a6ee6a3c17f7c1b8867b48b2">QwtLegend::setMaxColumns</a></div><div class="ttdeci">void setMaxColumns(uint numColums)</div><div class="ttdoc">Set the maximum number of entries in a row.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00296">qwt_legend.cpp:296</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_adf5a64070a546eaac36fc9afac56b7fb"><div class="ttname"><a href="class_qwt_legend.html#adf5a64070a546eaac36fc9afac56b7fb">QwtLegend::QwtLegend</a></div><div class="ttdeci">QwtLegend(QWidget *parent=NULL)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00258">qwt_legend.cpp:258</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_ae13f2d67f5f5a69c256c094411e4fe58"><div class="ttname"><a href="class_qwt_legend.html#ae13f2d67f5f5a69c256c094411e4fe58">QwtLegend::updateWidget</a></div><div class="ttdeci">virtual void updateWidget(QWidget *, const QwtLegendData &amp;)</div><div class="ttdoc">Update the widget.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00489">qwt_legend.cpp:489</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_ae54179a767337c154beaa826c57dda87"><div class="ttname"><a href="class_qwt_legend.html#ae54179a767337c154beaa826c57dda87">QwtLegend::checked</a></div><div class="ttdeci">void checked(const QVariant &amp;itemInfo, bool on, int index)</div></div>
<div class="ttc" id="aclass_qwt_legend_html_aed8bc71ee9e7cec05ee18314ec37c88d"><div class="ttname"><a href="class_qwt_legend.html#aed8bc71ee9e7cec05ee18314ec37c88d">QwtLegend::updateLegend</a></div><div class="ttdeci">virtual void updateLegend(const QVariant &amp;, const QList&lt; QwtLegendData &gt; &amp;) override</div><div class="ttdoc">Update the entries for an item.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00396">qwt_legend.cpp:396</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_af23aeb34e562218c32a8a4014534f930"><div class="ttname"><a href="class_qwt_legend.html#af23aeb34e562218c32a8a4014534f930">QwtLegend::legendWidgets</a></div><div class="ttdeci">QList&lt; QWidget * &gt; legendWidgets(const QVariant &amp;) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00777">qwt_legend.cpp:777</a></div></div>
<div class="ttc" id="aclass_qwt_legend_html_af977ff3e749f8281ee8ad4b926542b50"><div class="ttname"><a href="class_qwt_legend.html#af977ff3e749f8281ee8ad4b926542b50">QwtLegend::setDefaultItemMode</a></div><div class="ttdeci">void setDefaultItemMode(QwtLegendData::Mode)</div><div class="ttdoc">Set the default mode for legend labels.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend_8cpp_source.html#l00335">qwt_legend.cpp:335</a></div></div>
<div class="ttc" id="aclass_qwt_legend_label_html"><div class="ttname"><a href="class_qwt_legend_label.html">QwtLegendLabel</a></div><div class="ttdoc">A widget representing something on a QwtLegend.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend__label_8h_source.html#l00022">qwt_legend_label.h:23</a></div></div>
<div class="ttc" id="aclass_qwt_legend_label_html_a2f469bcbc733332110d61d70f863df2e"><div class="ttname"><a href="class_qwt_legend_label.html#a2f469bcbc733332110d61d70f863df2e">QwtLegendLabel::setItemMode</a></div><div class="ttdeci">void setItemMode(QwtLegendData::Mode)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend__label_8cpp_source.html#l00130">qwt_legend_label.cpp:130</a></div></div>
<div class="ttc" id="aclass_qwt_legend_label_html_a46c2aec2d42136cb5b9497f5e592980b"><div class="ttname"><a href="class_qwt_legend_label.html#a46c2aec2d42136cb5b9497f5e592980b">QwtLegendLabel::spacing</a></div><div class="ttdeci">int spacing() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend__label_8cpp_source.html#l00206">qwt_legend_label.cpp:206</a></div></div>
<div class="ttc" id="aclass_qwt_legend_label_html_aa7d232fa7a0f3e8bde4d71b360016167"><div class="ttname"><a href="class_qwt_legend_label.html#aa7d232fa7a0f3e8bde4d71b360016167">QwtLegendLabel::data</a></div><div class="ttdeci">const QwtLegendData &amp; data() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend__label_8cpp_source.html#l00083">qwt_legend_label.cpp:83</a></div></div>
<div class="ttc" id="aclass_qwt_legend_label_html_abd0140174ae2f0818cc926f68a9f27cc"><div class="ttname"><a href="class_qwt_legend_label.html#abd0140174ae2f0818cc926f68a9f27cc">QwtLegendLabel::setData</a></div><div class="ttdeci">void setData(const QwtLegendData &amp;)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__legend__label_8cpp_source.html#l00061">qwt_legend_label.cpp:61</a></div></div>
<div class="ttc" id="aclass_qwt_painter_html_a9eabeabb6420538c4ad84020280f640c"><div class="ttname"><a href="class_qwt_painter.html#a9eabeabb6420538c4ad84020280f640c">QwtPainter::drawBackgound</a></div><div class="ttdeci">static void drawBackgound(QPainter *, const QRectF &amp;, const QWidget *)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__painter_8cpp_source.html#l01351">qwt_painter.cpp:1351</a></div></div>
<div class="ttc" id="aclass_qwt_text_label_html_a213b9d779d8f12b6db264d27be188eb5"><div class="ttname"><a href="class_qwt_text_label.html#a213b9d779d8f12b6db264d27be188eb5">QwtTextLabel::margin</a></div><div class="ttdeci">int margin() const</div><div class="ttdoc">Return label's text margin in pixels.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__text__label_8cpp_source.html#l00154">qwt_text_label.cpp:154</a></div></div>
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